Centinel Wheel Turns Any Bicycle into Electric Bike

With Centinel Wheel you can turn your regular bicycle into an ebike controllable via smartphone app. The tri-spoke detachable device features a two 180W motors that can accelerate the bicycle at the maximum speed of 32km/h. The motors are powered by 168Wh rechargeable battery which lasts for the distance of 55km. The battery is easily replaceable for longer travel.